SSC GD Constable 14 Feb 2019 Shift 1 Paper

Question : 57 of 100

Marks: +1, -0

P, Q and R can complete a work in 30 days, 15 days and 20 days respectively. P works on first day, then Q works on second day and then R works on third day and so on. In how many days the work will be Completed?